Dwitter - javascript demos in 140 characters

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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Xen

function u(t) {

x.fillRect(0,0,2e3,1e3)
x.clearText("can we not have a clear text???",99,99)
//let down, no dweet to see here, but can we all tell them plz!

Apr 24 2019 11:48 PM UTC

}// 140/140

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the people demand cleartext

u/pavel

Here you go in 78: x.clearText=(i,j,k,s=x[f='fillStyle'])=>{x[f]='#fff',x.fillText(i,j,k),x[f]=s}
u/Xen

#test

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vinca

function u(t) {

eval(unescape(escape`景爨瑼簨夽〬挮睩摴栽ㅥ㌩ⱘ㴱攳㭘ⴭ㭸⹦楬汒散琨堬夬ㄬㄩ⥦潲⡮㵒㵉㴰㭮㰲〦刪别䤪䤼㐻渫⬩愽刪刭䤪䤫堯ㅥ㌬戽㈪刪䤫夯㔰〬刽愬䤽戬砮晩汬却祬攽恨獬⠤笳〪渫㤪瑽ⰸ㔥ⰶ〥总夫⬬夥㴵〰`.replace(/u(..)/g,"$1%")))

Apr 24 2019 12:36 PM UTC

}// 134/140

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u/katkip

WOW
u/LovelyRita

How do you compress like this?
u/pavel

d/11852
u/vinca

I use this tool↑

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katkip

function u(t) {

t||(x.translate(960,540));x.clearRect(0,0,300*C(t),300*C(t));x.fillRect(10,10,300,300);x.rotate(3.1415*2/4)

Apr 25 2019 10:54 AM UTC

}// 107/140

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KilledByAPixel

remix of d/13420 by u/KilledByAPixel

function u(t) {

for(i=F=2e3;i--;x.fillRect(X-99,i,99,20))X=S(i)*(1e9+t*99)%F,q=((519-i)**2+(999-X)**2)<1e5,x.fillStyle=R(f=i/3+255*q,i%9?i/5:f/2,300-i/3,.1)

Apr 23 2019 8:49 PM UTC

}// 140/140

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I love watching the sun set.

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katkip

function u(t) {

f=frame;for(i=-108;i++<108;)x.fillStyle=`hsl(${(C(f/19)*f/2%i+C(i*f)*9)*3} 99%50%)`,x.fillRect(f*5,i*5+540,5,5)

Apr 23 2019 10:51 AM UTC

}// 111/140

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#scanline

u/Xen

nice

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katkip

remix of d/13406 by u/katkip

function u(t) {

x.translate(960,440);x.font='4cm"';x.fillText("1337",0,0)
x.rotate(Math.PI*2/5)
x.drawImage(c,200,300,1560,620)

Apr 23 2019 2:22 PM UTC

}// 111/140

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#fractal

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katkip

remix of d/13404 by u/katkip

function u(t) {

x.translate(960,440);x.font='4cm"';x.fillText("KATKIP",400,600)
x.rotate(Math.PI*2/3)
x.drawImage(c,390,300,900,500)

Apr 23 2019 2:16 PM UTC

}// 116/140

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#sierpinski made of "katkip" #fractal

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KilledByAPixel

remix of d/13418 by u/KilledByAPixel

function u(t) {

for(i=F=2e3;i--;x.fillRect(X-200,i,199,20))k=S(i)**2,X=k*(1e9+t*299)%F,x.fillStyle=R(z=i%2?255*(1-((519-i)**2+(999-X)**2)/2e5):99,z,z+30,.1)

Apr 23 2019 7:30 PM UTC

}// 140/140

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The moon's reflection in the sea.

u/KilledByAPixel

#moon #ocean

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username

remix of d/13437 by u/akoskovacs

function u(t) {

for(i=c.width=400;i--;x.fillText([`🏴`,`🏳️`,`🚩`,`🏳️‍🌈`,`🎌`][Y/3|0],23+C(j=t*9+(X+Y)/2)+X*14,32+S(j)+Y*12))Y=i%15,X=i>>4

Apr 26 2019 9:04 AM UTC

}// 118/140

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u/joeytwiddle

flagception #flag

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Jezza

remix of d/13454 by u/Xen

function u(t) {

x.fillText(u,T(t)**t,t)

Apr 26 2019 3:56 AM UTC

}// 23/140

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23 bytes and very slow